Eustat
Evolution of the distribution of the population aged 2 and over by socio-linguistic areas. 1981-2006
| Population (>= 2 años) | Bilinguals | Number of municipalities | ||||
| 1981 | 2006 | 1981 | 2006 | 1981 | 2006 | |
| Areas | ||||||
| Basque Country | 2.076.448 | 2.072.541 | 447.776 | 774.894 | 250 | 251 |
| 1. (<20%) | 1.263.529 | 239.646 | 75.278 | 45.369 | 82 | 31 |
| 2. (20-50%) | 485.305 | 1.324.632 | 146.986 | 394.964 | 37 | 71 |
| 3. (50-80%) | 249.083 | 428.635 | 156.440 | 267.342 | 52 | 81 |
| 4. (>80%) | 78.531 | 79.628 | 69.072 | 67.219 | 79 | 68 |
Date June 16, 2009
Source: Department for Culture. IV Socio-linguistic Map 2006
